名词
中文翻译：门刀
同义词：
['door knife', 'door bolt例句：1. The gate blade was rusted and needed to be replaced.（门刀生锈了，需要更换。）']
例句：
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1. The gate blade was rusted and needed to be replaced.
门刀生锈了，需要更换。
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2.The old gate blade was too heavy for the new lock.
旧的门刀太重，不适合新的锁。
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3.The gate blade was used to open the gates during the festival.
在节日期间，门刀被用来打开大门。